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TIL that the US had a maximum speed limit of 55 mph from 1974-1995. It was initially put in place to save fuel due to the oil crisis but was later promoted as a safety measure

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gZlW TIL Carl Sagan wanted to include the Beatles “Here Comes the Sun” on the golden record sent into space on the Voyager spacecrafts. The Beatles said yes, EMI said no.
N7vLN TIL of Elizabeth Lundy, the "grandmother of the Canadian Army". Starting in 1914, she knit 400 pairs of socks for Canadian soldiers serving overseas.
N7RRb TIL about the tragic story of the The Flying Dutchman. A C-47 airplane, nicknamed The Flying Dutchman, was hit by a strong down draft of wind in New Guinea causing it to crash. The occupants who had survived carved daily entries on the door for those who would eventually find them.
mmEM TIL that an atomic bomb cameraman ripped his safety goggles a split second before the bomb exploded. He immediately covered his eyes with his hand and saw his hand’s bones through his closed eyelids just like in an X-ray.
vlyx TIL it is possible to write computer code entirely using white space, in the style of a Shakespeare play, or as an image.